blob: e14293797e86ae449e6d11ca7c8b74be4946ea77 [file] [log] [blame]
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=sse2 | FileCheck %s --check-prefix=X64
; RUN: llc < %s -mtriple=i386-unknown-unknown -mattr=sse2 | FileCheck %s --check-prefix=X32
; RUN: llc < %s -mtriple=i386-unknown-unknown -mattr=avx2 | FileCheck %s --check-prefix=X32AVX
; Use movq or movsd to load / store i64 values if sse2 is available.
; rdar://6659858
define void @foo(i64* %x, i64* %y) {
; X64-LABEL: foo:
; X64: # %bb.0:
; X64-NEXT: movq (%rsi), %rax
; X64-NEXT: movq %rax, (%rdi)
; X64-NEXT: retq
;
; X32-LABEL: foo:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X32-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
; X32-NEXT: movsd %xmm0, (%eax)
; X32-NEXT: retl
%tmp1 = load i64, i64* %y, align 8
store i64 %tmp1, i64* %x, align 8
ret void
}
; Verify that a 64-bit chunk extracted from a vector is stored with a movq
; regardless of whether the system is 64-bit.
define void @store_i64_from_vector(<8 x i16> %x, <8 x i16> %y, i64* %i) {
; X64-LABEL: store_i64_from_vector:
; X64: # %bb.0:
; X64-NEXT: paddw %xmm1, %xmm0
; X64-NEXT: movq %xmm0, (%rdi)
; X64-NEXT: retq
;
; X32-LABEL: store_i64_from_vector:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: paddw %xmm1, %xmm0
; X32-NEXT: movq %xmm0, (%eax)
; X32-NEXT: retl
%z = add <8 x i16> %x, %y ; force execution domain
%bc = bitcast <8 x i16> %z to <2 x i64>
%vecext = extractelement <2 x i64> %bc, i32 0
store i64 %vecext, i64* %i, align 8
ret void
}
define void @store_i64_from_vector256(<16 x i16> %x, <16 x i16> %y, i64* %i) {
; X32AVX-LABEL: store_i64_from_vector256:
; X32AVX: # %bb.0:
; X32AVX-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32AVX-NEXT: vpaddw %ymm1, %ymm0, %ymm0
; X32AVX-NEXT: vextracti128 $1, %ymm0, %xmm0
; X32AVX-NEXT: vmovq %xmm0, (%eax)
; X32AVX-NEXT: vzeroupper
; X32AVX-NEXT: retl
%z = add <16 x i16> %x, %y ; force execution domain
%bc = bitcast <16 x i16> %z to <4 x i64>
%vecext = extractelement <4 x i64> %bc, i32 2
store i64 %vecext, i64* %i, align 8
ret void
}
; PR23476
; Handle extraction from a non-simple / pre-legalization type.
define void @PR23476(<5 x i64> %in, i64* %out, i32 %index) {
; X32-LABEL: PR23476:
; X32: andl $7, %eax
; X32: movsd {{.*#+}} xmm0 = mem[0],zero
; X32: movsd {{.*#+}} xmm0 = mem[0],zero
; X32-NEXT: movsd %xmm0, (%ecx)
%ext = extractelement <5 x i64> %in, i32 %index
store i64 %ext, i64* %out, align 8
ret void
}